Home / 438,883.22-658,349.40-123,315.50

Finding the Fourth Proportional to 438,883.22, 658,349.40 and 123,315.50

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Solution

The fourth proportional to 438,883.22, 658,349.40 and 123,315.50 is: 184,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,883.22 : 658,349.40 = 123,315.50 : x
  2. Step 2: Convert to fraction form
    438,883.22/658,349.40 = 123,315.50/x
  3. Step 3: Cross multiply
    438,883.22x = 658,349.40 × 123,315.50
  4. Step 4: Simplify right side
    438,883.22x = 81,184,685,435.70
  5. Step 5: Solve for x
    x = 81,184,685,435.70/438,883.22
  6. Step 6: Final answer
    x = 184,980.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.